EP2116316A4 - 2-phase stainless pipe manufacturing method, correction method, intensity adjusting method, and correction device operating method - Google Patents

2-phase stainless pipe manufacturing method, correction method, intensity adjusting method, and correction device operating method

Info

Publication number
EP2116316A4
EP2116316A4 EP08703189.4A EP08703189A EP2116316A4 EP 2116316 A4 EP2116316 A4 EP 2116316A4 EP 08703189 A EP08703189 A EP 08703189A EP 2116316 A4 EP2116316 A4 EP 2116316A4
Authority
EP
European Patent Office
Prior art keywords
correction
device operating
pipe manufacturing
phase stainless
intensity adjusting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP08703189.4A
Other languages
German (de)
French (fr)
Other versions
EP2116316A1 (en
EP2116316B1 (en
Inventor
Hajime Osako
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Steel Corp
Original Assignee
Nippon Steel and Sumitomo Metal Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nippon Steel and Sumitomo Metal Corp filed Critical Nippon Steel and Sumitomo Metal Corp
Publication of EP2116316A1 publication Critical patent/EP2116316A1/en
Publication of EP2116316A4 publication Critical patent/EP2116316A4/en
Application granted granted Critical
Publication of EP2116316B1 publication Critical patent/EP2116316B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D3/00—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts
    • B21D3/02—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts by rollers
    • B21D3/04—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts by rollers arranged on axes skew to the path of the work
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D3/00—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts
    • B21D3/02—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts by rollers

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Heat Treatment Of Articles (AREA)
  • Heat Treatment Of Steel (AREA)
  • Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
  • Rolls And Other Rotary Bodies (AREA)
EP20080703189 2007-01-16 2008-01-15 Method for operating a straightener for duplex stainless pipes Not-in-force EP2116316B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007006577A JP2008173643A (en) 2007-01-16 2007-01-16 Manufacturing method, straightening method and strength adjusting method of duplex stainless steel tube and method of operating straightening machine for duplex stainless steel tube
PCT/JP2008/050325 WO2008087929A1 (en) 2007-01-16 2008-01-15 2-phase stainless pipe manufacturing method, correction method, intensity adjusting method, and correction device operating method

Publications (3)

Publication Number Publication Date
EP2116316A1 EP2116316A1 (en) 2009-11-11
EP2116316A4 true EP2116316A4 (en) 2013-07-10
EP2116316B1 EP2116316B1 (en) 2015-05-13

Family

ID=39635933

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20080703189 Not-in-force EP2116316B1 (en) 2007-01-16 2008-01-15 Method for operating a straightener for duplex stainless pipes

Country Status (6)

Country Link
US (1) US8006528B2 (en)
EP (1) EP2116316B1 (en)
JP (1) JP2008173643A (en)
CN (1) CN101626849A (en)
BR (1) BRPI0807036B1 (en)
WO (1) WO2008087929A1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011121944A1 (en) * 2010-03-29 2011-10-06 住友金属工業株式会社 Straightening roll and method for straightening pipes
CN101927278B (en) * 2010-06-03 2012-11-07 天津商业大学 Method for realizing precision straightening of thin-wall seamless steel tubes by adopting six-roller straightener
CN102151719B (en) * 2011-01-31 2012-08-01 辽宁银捷机械装备制造有限公司 High-accuracy straightening machine for tantalum-niobium alloy pipe
JP5462202B2 (en) * 2011-02-14 2014-04-02 新日鐵住金株式会社 Bending correction method
RU2552805C2 (en) * 2011-03-24 2015-06-10 Ниппон Стил Энд Сумитомо Метал Корпорейшн Austenite alloy pipe and method of its manufacturing
WO2014034522A1 (en) * 2012-08-31 2014-03-06 新日鐵住金株式会社 Duplex stainless steel tube and method for producing same
CN106270014A (en) * 2016-08-31 2017-01-04 太原重工股份有限公司 Multiple roll system actuating device, cold straightener and multiple roll system transmission replacing options
JP6954492B1 (en) * 2020-02-05 2021-10-27 Ｊｆｅスチール株式会社 Stainless steel seamless steel pipe and its manufacturing method
CN112170546A (en) * 2020-08-13 2021-01-05 沪东中华造船(集团)有限公司 Duplex stainless steel T-shaped joint fire correction method

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55103222A (en) * 1979-02-01 1980-08-07 Sanyo Tokushu Seikou Kk Production of stress corrosion resistant stainless steel pipe
JPS61115619A (en) * 1984-11-09 1986-06-03 Sumitomo Metal Ind Ltd Straightening method of pipe
JPH0617136A (en) * 1992-07-01 1994-01-25 Sumitomo Metal Ind Ltd Production of steel tube for machine structure having high strength and high yield ratio
JP2001179340A (en) * 1999-12-24 2001-07-03 Sumitomo Metal Ind Ltd Method for correcting tube by tube corrector with roller system

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3780558A (en) * 1971-12-16 1973-12-25 Western Electric Co Apparatus for straightening elongated members
JPS6033567B2 (en) * 1981-05-18 1985-08-03 日本鋼管株式会社 Steel pipe straightening device
US4763504A (en) * 1981-07-06 1988-08-16 Nilsson Einar W Straightening machines and methods
CA1196584A (en) * 1981-11-04 1985-11-12 Sumitomo Metal Industries, Ltd. Metallic tubular structure having improved collapse strength and method of producing the same
JPS58164723A (en) * 1982-03-23 1983-09-29 Sumitomo Metal Ind Ltd Production of precision steel pipe for structural purpose
US4534197A (en) * 1982-03-23 1985-08-13 Woolley Brown J Method and apparatus for straightening pipe
JPS5954421A (en) 1982-09-24 1984-03-29 Kawasaki Steel Corp Bend straightening method of steel pipe
JPS60184424A (en) * 1984-02-29 1985-09-19 Sumitomo Metal Ind Ltd Roll position setting method of roll type pipe straightening machine
JPS60203321A (en) * 1984-03-27 1985-10-14 Sumitomo Metal Ind Ltd Improvement of out-of-roundness by tube bent straightener
SE453838B (en) 1985-09-05 1988-03-07 Santrade Ltd HIGH-QUALITY FERRIT-AUSTENITIC STAINLESS STEEL
JPH01123026A (en) 1987-11-09 1989-05-16 Kawasaki Steel Corp Manufacture of seamless two-phase stainless steel tube
JPH02207921A (en) 1989-02-07 1990-08-17 Sumitomo Metal Ind Ltd Straightening method for tube by rotary straightner
JPH0472619A (en) 1990-07-12 1992-03-06 Fujitsu Ltd Sealing structure of ampule and sealing thereof
JP2500162B2 (en) 1991-11-11 1996-05-29 住友金属工業株式会社 High strength duplex stainless steel with excellent corrosion resistance
JPH08170153A (en) 1994-12-19 1996-07-02 Sumitomo Metal Ind Ltd Highly corrosion resistant two phase stainless steel
JP3307294B2 (en) * 1997-09-26 2002-07-24 住友金属工業株式会社 Manufacturing method of seamless steel pipe with excellent surface properties and equipment for manufacturing seamless steel pipe
JP3758508B2 (en) 2001-02-13 2006-03-22 住友金属工業株式会社 Manufacturing method of duplex stainless steel pipe
JP2005138164A (en) 2003-11-10 2005-06-02 Sanyo Special Steel Co Ltd Seamless steel tube straightening method
AR048214A1 (en) * 2004-02-05 2006-04-12 Sumitomo Metal Ind COOLED ENDLESS STEEL PIPES ENDED
JP4273338B2 (en) * 2004-11-26 2009-06-03 住友金属工業株式会社 Martensitic stainless steel pipe and manufacturing method thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55103222A (en) * 1979-02-01 1980-08-07 Sanyo Tokushu Seikou Kk Production of stress corrosion resistant stainless steel pipe
JPS61115619A (en) * 1984-11-09 1986-06-03 Sumitomo Metal Ind Ltd Straightening method of pipe
JPH0617136A (en) * 1992-07-01 1994-01-25 Sumitomo Metal Ind Ltd Production of steel tube for machine structure having high strength and high yield ratio
JP2001179340A (en) * 1999-12-24 2001-07-03 Sumitomo Metal Ind Ltd Method for correcting tube by tube corrector with roller system

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2008087929A1 *

Also Published As

Publication number Publication date
US8006528B2 (en) 2011-08-30
EP2116316A1 (en) 2009-11-11
US20100005848A1 (en) 2010-01-14
WO2008087929A1 (en) 2008-07-24
BRPI0807036B1 (en) 2020-02-04
JP2008173643A (en) 2008-07-31
EP2116316B1 (en) 2015-05-13
BRPI0807036A2 (en) 2014-04-22
CN101626849A (en) 2010-01-13

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